3 years ago

How is adding integers similar to adding whole numbers?

Mathematics

1 answer:

sergejj [24]3 years ago

6 0

Integers can be whole numbers

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What is the value of 3ab+ 50-6 when a=-1 and b=3? оо O 6 18 o o O 24

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Answer:

Step-by-step explanation:

3ab + 5b - 6 when a = -1 and b is 3

→ First substitute a and b into 3ab

3 × -1 × 3 = -9

→ Substitute b into 5b

5 × 3 = 15

→ Connect all the terms together

-9 + 15 - 6

→ Simplify

4 0

3 years ago

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Which of the following measurements is a little more than a yard? A. Centiliter B. 1/4 foot C. Centimeter D. Meter

BabaBlast [244]

D? Maybe I think I’m right hopefully!!

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3 years ago

What is the maximum height of of Anna's golf ball? The equation is y=x−0.04x2.

elena-s [515]

Given:

The height of a golf ball is represented by the equation:

$y=x-0.04x^2$

To find:

The maximum height of of Anna's golf ball.

Solution:

We have,

$y=x-0.04x^2$

Differentiate with respect to x.

$y'=1-0.04(2x)$

$y'=1-0.08x$

For critical values, $y'=0$ .

$1-0.08x=0$

$-0.08x=-1$

$x=\dfrac{-1}{-0.08}$

$x=12.5$

Differentiate y' with respect to x.

$y''=(0)-0.08(1)$

$y''=-0.08$

Since double derivative is negative, the function is maximum at $x=12.5$ .

Substitute $x=12.5$ in the given equation to get the maximum height.

$y=(12.5)-0.04(12.5)^2$

$y=12.5-0.04(156.25)$

$y=12.5-6.25$

$y=6.25$

Therefore, the maximum height of of Anna's golf ball is 6.25 units.

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3 years ago

On a pleasant Monday, the Dow-Jones Industrial average closed at 11,315. On Wednesday, it closed down twice as many points as it

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I think it lose 1533 points

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3 years ago

Find x on this triangle

blsea [12.9K]

Answer:

3 sqrt(3) =x

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos theta = adj / hyp

cos 30 = x/6

6 cos 30 = x

6 ( sqrt(3)/2) = x

3 sqrt(3) =x

7 0

3 years ago